What is tBTC (TBTC) crypto coin? A simple guide to decentralized Bitcoin on Ethereum

By Robert Stukes    On 14 Dec, 2025    Comments (17)

What is tBTC (TBTC) crypto coin? A simple guide to decentralized Bitcoin on Ethereum

tBTC Fee Calculator & Comparison Tool

Calculate Your tBTC Transaction Cost

Compare fees between tBTC (decentralized) and WBTC (centralized) for using Bitcoin in Ethereum DeFi.

BTC

Estimated Fees

Bitcoin Network Fee $0.00
Ethereum Gas Fee $0.00
Total Cost
$0.00
Decentralization Matters

tBTC uses a decentralized network of signers (not a single company like WBTC). This means:

  • Higher fees for security
  • No single point of failure
  • Trustless Bitcoin custody

tBTC vs WBTC Comparison

tBTC WBTC
Cost per Transaction $12.50+ $4.99
Control Decentralized
No single custodian
Centralized
Controlled by BitGo
Security Model Threshold ECDSA + SPV proofs Single custodian
Redemption Time 15-30 minutes Instant
Important Note

The fees shown are estimated based on current network conditions. Actual fees may vary. tBTC is designed for users who prioritize security and decentralization over cost.

What if you could use your Bitcoin in DeFi apps-like lending, trading, or earning yield-without giving up control of your BTC? That’s exactly what tBTC (Threshold Bitcoin) lets you do. Unlike wrapped Bitcoin (WBTC), which relies on a single company to hold your coins, tBTC uses a decentralized network of strangers to lock your Bitcoin and issue a 1:1 token on Ethereum. No middleman. No trust. Just pure Bitcoin, unlocked.

How tBTC works: Bitcoin on Ethereum, without giving up control

tBTC is not a new cryptocurrency. It’s a tokenized version of Bitcoin that lives on Ethereum. Every tBTC token is backed by one real Bitcoin, locked away in a secure, decentralized system. When you want to convert BTC to tBTC, you send your Bitcoin to a special address created by the tBTC protocol. After enough confirmations on the Bitcoin network (usually 15-30 minutes), the protocol mints the same amount of tBTC on Ethereum and sends it to your wallet.

The magic happens in how the Bitcoin is held. Instead of one company like BitGo (which controls WBTC), tBTC uses a group of independent nodes called signers. These signers are people or entities who’ve staked Threshold (T) tokens as collateral. To unlock your Bitcoin, at least two out of three signers must sign off-no single person can steal your funds. This is called threshold ECDSA signing, and it’s one of the most secure ways to bridge Bitcoin to other chains without centralization.

The system also uses Simplified Payment Verification (SPV) to prove Bitcoin transactions happened on Ethereum. Think of it like a notarized copy of a Bitcoin block being sent to Ethereum. It’s not perfect, but it’s the best we’ve got right now for trust-minimized cross-chain transfers.

tBTC vs WBTC: Why decentralization matters

The biggest difference between tBTC and WBTC is who holds your Bitcoin.

- WBTC: Centralized. BitGo and a few other approved merchants control the Bitcoin backing WBTC. If BitGo gets hacked, gets shut down by regulators, or just goes offline, your WBTC could be frozen or lost. You’re trusting a company.

- tBTC: Decentralized. No single entity controls the keys. Your Bitcoin is locked by a group of randomly selected signers, all of whom are financially punished if they try to cheat. If one signer goes rogue, the others can still protect your funds.

This isn’t just theory. In 2024, a major hack of a custodial bridge cost users over $100 million. WBTC has never been hacked-but that’s because it’s never been attacked at its weakest point: the custodian. tBTC’s design makes that kind of attack nearly impossible.

But here’s the trade-off: tBTC is harder to use. Minting tBTC requires connecting a Web3 wallet, understanding gas fees on Ethereum, waiting for Bitcoin confirmations, and managing two blockchains at once. WBTC? Just click a button on a centralized exchange. For many, convenience wins. But for those who treat Bitcoin as digital gold, tBTC is the only way to keep it truly yours.

Who uses tBTC-and why

As of December 2025, tBTC holds about 15% of the tokenized Bitcoin market, with WBTC still leading at 70%. But tBTC’s user base is growing-and it’s not random. The people using tBTC are mostly DeFi veterans who care more about control than speed.

They’re using it to:

  • Lock tBTC as collateral on Aave or Compound to borrow stablecoins like DAI or USDC
  • Trade tBTC for other tokens on decentralized exchanges like Uniswap or Curve
  • Mint THUSD, a stablecoin backed by tBTC, to avoid selling Bitcoin during market dips
  • Participate in yield strategies that require Ethereum-based assets without cashing out BTC
On Reddit, users like u/DeFiPioneer say they spent hours learning how to use tBTC-but once they did, they never went back to WBTC. “I’d rather wait 30 minutes and know my BTC isn’t sitting in a corporate vault,” they wrote. That sentiment is echoed in over 1,200 upvotes on a Twitter post from a user who redeemed 2.5 BTC worth of tBTC without KYC.

Pixel art of a Web3 wallet minting tBTC with DeFi icons floating nearby in a neon-lit interface.

Is tBTC safe? The security record

Since its mainnet launch in September 2020, tBTC has never been hacked. That’s four years of secure operation with over $2.8 billion in value locked as of late 2025.

The protocol has been audited by top security firms like OpenZeppelin and Trail of Bits. It also runs a $500,000 bug bounty program, which has already caught two critical flaws in 2024. One of those bugs, detailed in a public report titled “A Tale of Two Bugs,” showed how the system could be exploited if signers colluded-but the fix was rolled out before any funds were lost.

The Threshold Network, which now runs tBTC after merging with NuCypher, has also eliminated over-collateralization from earlier versions. Previously, signers had to lock up more than the value of BTC they secured. Now, they only need to stake T tokens equal to the BTC amount-making the system more capital-efficient and scalable.

Still, experts like Andreas Antonopoulos warn that any bridge introduces risk. “You’re adding layers of complexity to Bitcoin’s simple, battle-tested model,” he said in a 2024 interview. “tBTC reduces trust, but it doesn’t remove it.” That’s true. But for most users, tBTC reduces trust to the lowest possible level-and that’s enough.

How to use tBTC: A step-by-step guide

If you want to try tBTC, here’s what you need to do:

  1. Get a Web3 wallet like MetaMask or Rabby, and fund it with some ETH for gas fees.
  2. Go to the official tBTC website (tBTC.network) and connect your wallet.
  3. Deposit your Bitcoin to the unique address the protocol generates for you.
  4. Wait for 3-6 Bitcoin confirmations (usually 15-30 minutes).
  5. Once confirmed, tBTC tokens will appear in your Ethereum wallet.
  6. Use them on DeFi platforms like Aave, Curve, or SushiSwap.
To redeem your BTC, reverse the process: burn tBTC, and the protocol will release your Bitcoin back to your Bitcoin address.

Costs? Expect around $12.50 in total fees (Bitcoin miner fees + Ethereum gas) during moderate network activity. That’s higher than WBTC, which often costs under $5-but you’re paying for decentralization.

Pixel art contrasting centralized WBTC vault with decentralized tBTC signers preventing theft.

The future of tBTC: What’s next

The Threshold Network has big plans. By mid-2026, tBTC will integrate with Bitcoin Layer 2 networks like Stacks and Rootstock. That means you’ll be able to move tBTC directly from Bitcoin sidechains to Ethereum without going through the main Bitcoin network-cutting time and cost.

Analysts at Arcane Research predict tBTC could capture 25-30% of the tokenized Bitcoin market by 2027 as institutions demand more decentralized options. Right now, only 7 of the top 50 DeFi protocols support tBTC as collateral. But that number is rising.

The biggest threat? If Bitcoin L2s become popular enough, users might not need to bridge to Ethereum at all. But even then, tBTC’s decentralized custody model could become the standard for any future cross-chain Bitcoin solution.

Final thoughts: Is tBTC right for you?

If you’re a beginner, tBTC might feel overwhelming. The process is slower, pricier, and more technical than WBTC. If you just want to earn yield on your BTC and don’t care who holds it, WBTC is easier.

But if you believe Bitcoin should stay Bitcoin-untouched, untrusted, and uncontrolled by any company-then tBTC is the only choice. It’s not perfect. But it’s the most honest way to bring Bitcoin into DeFi without selling your soul to a custodian.

In a world where centralized exchanges collapse and custodians get subpoenaed, tBTC isn’t just a tool. It’s a statement. And for those who’ve held Bitcoin through bull and bear cycles, that’s worth the extra steps.

Is tBTC the same as Bitcoin?

tBTC is a tokenized version of Bitcoin that represents 1:1 value. It’s not Bitcoin itself, but each tBTC token is backed by a real Bitcoin locked in a decentralized system. You can redeem tBTC for BTC anytime, making it a direct digital twin.

Can I lose my tBTC?

You can’t lose your tBTC if you keep your private keys safe. The protocol itself has never been hacked since launch in 2020. But if you send tBTC to the wrong address or lose access to your wallet, the funds are gone-just like with any crypto.

How is tBTC different from WBTC?

WBTC is centralized-it’s controlled by BitGo and a small group of approved merchants. tBTC is decentralized, using a network of signers who must collaborate to release Bitcoin. WBTC is easier to use; tBTC is safer and more trustless. WBTC has more market share, but tBTC is growing fast among privacy- and security-focused users.

Do I need to do KYC to use tBTC?

No. tBTC is permissionless. You don’t need to provide ID, email, or personal info. All you need is a Bitcoin wallet and an Ethereum wallet with some ETH for gas. This makes it ideal for users who value privacy.

How long does it take to mint or redeem tBTC?

Minting tBTC from Bitcoin takes 15-30 minutes, depending on Bitcoin network congestion. Redeeming tBTC back to Bitcoin follows the same timeline. Ethereum gas fees can add a few extra minutes during high traffic, but the process is mostly automated once initiated.

17 Comments

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    Kathy Wood

    December 15, 2025 AT 16:16
    tBTC? More like tBET. You're betting your BTC on a bunch of strangers who could collude tomorrow. 😅
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    Caroline Fletcher

    December 16, 2025 AT 10:19
    Yeah right. 'Decentralized' until the gov finds the signers and makes them reveal their keys. They're just hiding behind fancy math. 🤷‍♀️
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    Taylor Farano

    December 17, 2025 AT 02:03
    Let me guess - you're the type who still thinks 'trustless' means 'no one can steal your money'. Cute. The bridge is still the attack surface.
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    Taylor Fallon

    December 17, 2025 AT 13:58
    The philosophical beauty of tBTC lies in its refusal to compromise on sovereignty. It's not just a token - it's an ethical stance against custodial capture. We are not merely transacting; we are redefining ownership in the digital age. 🌱
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    Kathryn Flanagan

    December 19, 2025 AT 03:34
    So you send your bitcoin to a weird address and wait a while and then you get this other thing that's worth the same? And no one can steal it because three people have to agree? That sounds like a lot of steps just to not use a bank. I get it, but it's kinda messy. 😅
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    Kelly Burn

    December 20, 2025 AT 12:00
    tBTC is the DAO version of Bitcoin custody - a symphony of threshold signatures, SPV proofs, and economic incentives. It’s not just tech; it’s a new social contract for cross-chain value. 🤖💎
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    Jessica Eacker

    December 21, 2025 AT 17:24
    If you care about control, tBTC is the only way. WBTC is just crypto with a corporate stamp on it. You don’t need to be a dev to get it - just care enough to try.
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    Patricia Whitaker

    December 22, 2025 AT 12:23
    I don’t get why anyone would use this. It’s slower, more expensive, and still has a 0.0001% chance of getting hacked. WBTC is fine. Chill out.
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    Joey Cacace

    December 23, 2025 AT 09:09
    I appreciate how tBTC respects the Bitcoin ethos - minimal trust, maximal security. The fact that it’s been live for four years without a breach speaks volumes. This is how innovation should work: quietly, securely, and with integrity. 🙏
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    Kim Throne

    December 24, 2025 AT 01:22
    The SPV mechanism used by tBTC is a clever workaround, but it’s not as robust as a full node verification. While the threat model is reduced, the assumption that Bitcoin blocks can be reliably verified on Ethereum introduces a non-trivial trust assumption. I’d recommend reading the Threshold whitepaper’s section on light client security.
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    Heath OBrien

    December 24, 2025 AT 18:20
    They say 'no middleman' but the middleman is just a group of people you don't know. That's not freedom. That's just a different kind of gamble. 🤷‍♂️
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    Toni Marucco

    December 24, 2025 AT 21:27
    The real revolution isn’t the token - it’s the psychological shift. tBTC forces you to ask: Do I own my Bitcoin, or do I just have a receipt for it? Most people never question that. And that’s why WBTC dominates. But the ones who do? They never look back. This isn’t finance. It’s philosophy with gas fees.
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    amar zeid

    December 25, 2025 AT 06:49
    I tried minting tBTC last month. Took 22 minutes, paid $11 in fees, and now I’m using it on Aave. Honestly, the first time felt like flying a drone for the first time - confusing, but once you get it, you wonder why you ever used anything else. The learning curve is real, but the payoff? Pure autonomy.
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    Alex Warren

    December 26, 2025 AT 16:18
    tBTC’s security record is impressive. Four years without a breach, audits from OpenZeppelin and Trail of Bits, active bug bounty - this is enterprise-grade decentralization. The cost is higher, yes, but the risk profile is orders of magnitude lower than custodial alternatives.
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    Claire Zapanta

    December 27, 2025 AT 18:44
    You know who controls the signers? The same people who control the T token supply. It’s not decentralized - it’s a cartel with a whitepaper. And don’t get me started on the UK’s FCA cracking down on ‘unregulated bridges’ next year. You think your tBTC is safe? Think again.
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    Sue Gallaher

    December 27, 2025 AT 21:54
    I dont care if its decentralized or not. I just want to earn yield without losing sleep. WBTC works. End of story.
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    Jeremy Eugene

    December 28, 2025 AT 05:29
    I respect the intent behind tBTC. However, the user experience remains a significant barrier to adoption. Until the interface is as seamless as a centralized exchange, this will remain a niche tool for the technically inclined - not a mainstream solution.

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